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Home UPS Accessories APC Smart-UPS X 120V External Battery Pack Rack/Tower

APC Smart-UPS X 120V External Battery Pack Rack/Tower

MPN SMX120BP EAN 731304292562 APC
Trade customers only
£753.42 ex VAT £904.10 inc VAT
In stock · 11 available
Manufacturer datasheet →
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Structured returns with credit notes when something is wrong.
Questions? 01224 600337 — Aberdeen & across the UK.
Fresh data: stock and pricing updated 26 Oct 2026.

Description

Easily connect this external battery pack to an existing APC Smart-UPS X to instantly increase the amount of battery runtime to connected devices during a power outage. Please refer to your APC Smart-UPS X manual to confirm compatibility with this external battery back. The battery pack offers easy plug-and-play installation onto an operating APC Smart-UPS, ensuring power availability while runtime capacity is added. Through the APC Smart-UPS’ intelligent battery management and precision charging, the battery pack maintains the UPS system’s performance, reliability, and useful life. The APC battery pack provides scalable runtime to the APC Smart-UPS X, allowing multiple battery packs to be quickly added if the need arises. The battery pack operates equally in tower configuration, standing next to an APC Smart-UPS, or in rack-mount configuration, mounted below the UPS. Package Includes APC SMX120BP External Battery Pack, installation guide, and rack-mounting brackets.

Specifications

Features
Battery voltage120 V
Battery capacity1200 VAh
Battery life3 year(s)
Product colourBlack
Hot-swap batteryYes
Certificates
Compliance certificatesRoHS
CertificationREACH
Battery
Battery technologySealed Lead Acid (VRLA)
Weight & dimensions
Weight60.9 kg
Width432 mm
Height178 mm
Depth483 mm
Packaging data
Package width586 mm
Package height330 mm
Package depth633 mm
Package weight65.5 kg
Operational conditions
Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-15 - 45 °C
Operating relative humidity (H-H)0 - 95%
Storage relative humidity (H-H)0 - 95%
Operating altitude0 - 3000 m
Non-operating altitude0 - 15000 m
Logistics data
Harmonized System (HS) code85044095
Total carbon footprint (kg of CO2e)299.69
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